/*
 * Copyright (C) 2008 Search Solution Corporation. All rights reserved by Search Solution. 
 *
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met: 
 *
 * - Redistributions of source code must retain the above copyright notice, 
 *   this list of conditions and the following disclaimer. 
 *
 * - Redistributions in binary form must reproduce the above copyright notice, 
 *   this list of conditions and the following disclaimer in the documentation 
 *   and/or other materials provided with the distribution. 
 *
 * - Neither the name of the <ORGANIZATION> nor the names of its contributors 
 *   may be used to endorse or promote products derived from this software without 
 *   specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
 * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
 * OF SUCH DAMAGE. 
 *
 */

package cubrid.jdbc.jci;

public class UBindKey
{

  private int num_key;
  private Object[] values;

  public UBindKey(Object[] values)
  {
    if (values == null)
      num_key = 0;
    else
    {
      num_key = values.length;
      this.values = (Object[]) values.clone();
    }
  }

  public int hashCode()
  {
    if (num_key == 0)
      return 0;
    return values[0].hashCode();
  }

  public boolean equals(Object obj)
  {
    if (obj instanceof UBindKey)
    {
      UBindKey k = (UBindKey) obj;
      if (k == null)
      {
        if (num_key == 0)
          return true;
        else
          return false;
      }

      if (num_key == k.num_key)
      {
        for (int i = 0; i < num_key; i++)
        {
          if (values[i].equals(k.values[i]) == false)
            return false;
        }
        return true;
      }
      else
      {
        return false;
      }
    }
    else
    {
      return obj.equals(this);
    }
  }
}
